Very guilty... the strange stares usually stop me though. (i.e. Watching a scary movie in the theaters, a scary violent moment happened when people started gasping and screaming--I started laughing hysterically (friends looked at me as if I were a space alien)).

Have you ever been the only one to laugh in a room when other people were scared or grossed out?

Not guilty, older people don't deserve to be yelled at... well, only if they're driving like ninnies on the freeway and almost causing accidents... then yes... I am guilty. (But they never hear me yelling... which is so unfulfilling!)